Get a list of Collections objects. Collections have a 1:1 mapping with Observations.

### Available end points:

- `/observationcollections/` - Will list all Collections in the database
- `/observationcollections.json` - Will return all Collections in json format
- `/observationcollections/<object_id>/` - Returns Collections object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `uuid`
- `title`
- `keywords`
- `discoveryKeywords`
- `publicationState`

### How to use filters:

- `/observationcollections/?uuid=ab4ca8d019d148f78afba1cd20872bdd`

- `/observationcollections.json?publicationState=citable`

GET /api/v2/observationcollections/15916/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 15916,
    "uuid": "9f0eb1933ba946e9ba807c6e875a54cf",
    "title": "CIRCCREX: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for Cirrus Coupled Cloud-Radiation Experiment (CIRCCREX).",
    "keywords": "CIRCCREX, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [
        1138,
        1142
    ],
    "publicationState": "published",
    "dataPublishedTime": "2016-04-18T14:56:51",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15915/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15928/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15932/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16540/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17651/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17655/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17659/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17663/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17667/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18713/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18721/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18737/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18741/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18749/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61334/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61326/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61327/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61330/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61331/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61332/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61333/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61325/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61328/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61329/?format=api"
    ]
}